[OSM-talk] Sorting out rivers and islands

Tue May 6 12:47:01 BST 2008

Web site copy directionIn DC

a)  I'd make a relation combining the outer bank and the inner island
b) tag both as natural = water ,rather waterway = riverbank, as I believe rendering of waterway = riverbank is not supported by mapnik, as that tag is still a proposed tag.

For the Oregon island:

The island is within water which is defined as sea, as the boundary of the "riverbank" water is tagged as natural=coastline.  The river island itself is tagged waterway = riverbank.  Change the island to natural = coastline and all should render OK 

David
  ----- Original Message ----- 
  From: Peter Miller 
  To: talk at openstreetmap.org 
  Sent: Tuesday, May 06, 2008 10:23 AM
  Subject: [OSM-talk] Sorting out rivers and islands

  I have real problems with rivers and islands. I have been giving Washington DC a bit of a spring clean over the weekend but I can't get parts of the river to work properly. There is a large island that hasn't rendered, and a part of the river north of the George Washington Memorial Parkway is not right. I am sure it is something simple, but I can't see it. I am using riverbank, because that is what was being used before, however I see it is a proposed feature and that Mapnik doesn't seem to render it correctly. Could someone sort it and tell me what was wrong?

  http://openstreetmap.org/?lat=38.90382&lon=-77.08439&zoom=15&layers=0BFT

  I also added an island in Portland, Oregon which failed to appear.

  http://openstreetmap.org/?lat=45.5739&lon=-122.4038&zoom=14&layers=0BFT

  Regards,

  Peter

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